NWS Forecast for: Mount St Helens WA
Issued by: National Weather Service Portland, OR
Last Update: 8:08 am PST Feb 18, 2018
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  • This
    Afternoon

    This Afternoon: Snow showers.  Areas of blowing snow. Temperature falling to around 11 by 5pm. Wind chill values as low as -1. South wind around 11 mph becoming north.  Chance of precipitation is 80%. Total daytime snow accumulation of 4 to 8 inches possible.

    Snow Showers
    and Areas
    Blowing Snow

    High: 21 °F

  • Tonight

    Tonight: Snow showers likely, mainly before 10pm.  Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values as low as -5. Northeast wind 9 to 14 mph becoming light  after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Snow Showers
    Likely

    Low: 5 °F

  • Washington's
    Birthday

    Washington's Birthday: Mostly sunny, with a high near 17. Wind chill values as low as -6. Northeast wind around 6 mph becoming north northwest in the afternoon.

    Mostly Sunny


    High: 17 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 5. Wind chill values as low as -8. North northwest wind 5 to 8 mph becoming calm  in the evening.

    Mostly Clear


    Low: 5 °F

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly after 4pm.  Mostly sunny, with a high near 19. South wind around 5 mph.  New snow accumulation of less than a half inch possible.

    Chance Snow


    High: 19 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of snow, mainly before 10pm.  Mostly cloudy, with a low around 11. New snow accumulation of less than a half inch possible.

    Chance Snow


    Low: 11 °F

  • Wednesday

    Wednesday: A 20 percent chance of snow.  Partly sunny, with a high near 21.

    Slight Chance
    Snow

    High: 21 °F

  • Wednesday
    Night

    Wednesday Night: A chance of snow.  Cloudy, with a low around 16.

    Chance Snow


    Low: 16 °F

  • Thursday

    Thursday: A chance of snow.  Mostly cloudy, with a high near 23.

    Chance Snow


    High: 23 °F



  • This Afternoon: Snow showers. Areas of blowing snow. Temperature falling to around 11 by 5pm. Wind chill values as low as -1. South wind around 11 mph becoming north. Chance of precipitation is 80%. Total daytime snow accumulation of 4 to 8 inches possible.

    Tonight: Snow showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values as low as -5. Northeast wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Washington's Birthday: Mostly sunny, with a high near 17. Wind chill values as low as -6. Northeast wind around 6 mph becoming north northwest in the afternoon.

    Monday Night: Mostly clear, with a low around 5. Wind chill values as low as -8. North northwest wind 5 to 8 mph becoming calm in the evening.

    Tuesday: A 30 percent chance of snow, mainly after 4pm. Mostly sunny, with a high near 19. South wind around 5 mph. New snow accumulation of less than a half inch possible.

    Tuesday Night: A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 11. New snow accumulation of less than a half inch possible.

    Wednesday: A 20 percent chance of snow. Partly sunny, with a high near 21.

    Wednesday Night: A chance of snow. Cloudy, with a low around 16.

    Thursday: A chance of snow. Mostly cloudy, with a high near 23.

    Thursday Night: A chance of snow showers. Cloudy, with a low around 16.

    Friday: A chance of snow. Cloudy, with a high near 26.

    Friday Night: A chance of snow. Mostly cloudy, with a low around 19.

    Saturday: Snow showers likely. Cloudy, with a high near 25.



    Mount St Helens WA
     46.2°N 122.18°W (Elev. 5997 ft)

    Visit your local NWS office at: http://www.wrh.noaa.gov/pqr